2026-08-31T20:00:00Z 通常 気象庁本庁 気象庁 2026-09-01T05:00:00+09:00 2026-09-01T06:00:00+09:00 2026-09-02T00:00:00+09:00 508 発表 1 降灰予報 1.1_0 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、１日０９時から１２時までは火口から北西方向、１日２１時から２４時までは火口から西方向に降灰が予想されます。 降灰予報（定時） 06 薩摩硫黄島 508 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 降灰予報（定時） 06 薩摩硫黄島 508 +3047.58+13018.32+704/ 降灰 70 鹿児島県三島村 4630300 小さな噴石の落下 75 鹿児島県三島村 4630300 2026-09-01T06:00:00+09:00 2026-09-01T09:00:00+09:00 降灰 70 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北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8154+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7883+130.2800/+30.8000+130.2654/+30.8154+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T09:00:00+09:00 2026-09-01T12:00:00+09:00 降灰 70 +31.0475+129.7000/+31.0463+129.7200/+31.0458+129.7400/+31.0407+129.7600/+31.0400+129.7616/+31.0344+129.7800/+31.0317+129.8000/+31.0291+129.8200/+31.0269+129.8400/+31.0200+129.8561/+31.0185+129.8600/+31.0099+129.8800/+31.0000+129.8943/+30.9983+129.9000/+30.9938+129.9200/+30.9903+129.9400/+30.9800+129.9573/+30.9783+129.9600/+30.9640+129.9800/+30.9600+129.9856/+30.9579+130.0000/+30.9548+130.0200/+30.9474+130.0400/+30.9400+130.0474/+30.9269+130.0600/+30.9200+130.0683/+30.9184+130.0800/+30.9138+130.1000/+30.9000+130.1163/+30.8995+130.1200/+30.8972+130.1400/+30.8819+130.1600/+30.8800+130.1619/+30.8792+130.1800/+30.8742+130.2000/+30.8600+130.2144/+30.8597+130.2200/+30.8590+130.2400/+30.8400+130.2592/+30.8400+130.2600/+30.8399+130.2800/+30.8361+130.3000/+30.8200+130.3161/+30.8018+130.3200/+30.8000+130.3218/+30.7972+130.3200/+30.7800+130.3197/+30.7605+130.3000/+30.7621+130.2800/+30.7800+130.2621/+30.7801+130.2600/+30.7805+130.2400/+30.8000+130.2202/+30.8001+130.2200/+30.8005+130.2000/+30.8040+130.1800/+30.8200+130.1634/+30.8204+130.1600/+30.8220+130.1400/+30.8339+130.1200/+30.8400+130.1132/+30.8412+130.1000/+30.8449+130.0800/+30.8600+130.0606/+30.8602+130.0600/+30.8628+130.0400/+30.8684+130.0200/+30.8657+130.0000/+30.8745+129.9800/+30.8800+129.9677/+30.8831+129.9600/+30.8977+129.9400/+30.9000+129.9374/+30.9044+129.9200/+30.9007+129.9000/+30.9200+129.8804/+30.9203+129.8800/+30.9263+129.8600/+30.9332+129.8400/+30.9400+129.8204/+30.9402+129.8200/+30.9570+129.8000/+30.9600+129.7946/+30.9673+129.7800/+30.9770+129.7600/+30.9800+129.7534/+30.9867+129.7400/+30.9994+129.7200/+31.0000+129.7192/+31.0200+129.7158/+31.0355+129.7000/+31.0400+129.6939/+31.0475+129.7000/ 北西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8161+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7870+130.2800/+30.8000+130.2642/+30.8161+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T12:00:00+09:00 2026-09-01T15:00:00+09:00 降灰 70 +31.0018+129.7000/+31.0000+129.7067/+30.9907+129.7000/+31.0000+129.6891/+31.0018+129.7000/ +30.9856+129.7200/+30.9870+129.7400/+30.9866+129.7600/+30.9860+129.7800/+30.9856+129.8000/+30.9829+129.8200/+30.9800+129.8399/+30.9800+129.8400/+30.9731+129.8600/+30.9624+129.8800/+30.9600+129.8842/+30.9570+129.9000/+30.9542+129.9200/+30.9482+129.9400/+30.9407+129.9600/+30.9400+129.9614/+30.9360+129.9800/+30.9327+130.0000/+30.9287+130.0200/+30.9200+130.0283/+30.9108+130.0400/+30.9000+130.0576/+30.8997+130.0600/+30.8974+130.0800/+30.8938+130.1000/+30.8800+130.1196/+30.8800+130.1200/+30.8786+130.1400/+30.8760+130.1600/+30.8600+130.1799/+30.8600+130.1800/+30.8594+130.2000/+30.8582+130.2200/+30.8400+130.2395/+30.8400+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8014+130.3200/+30.8000+130.3214/+30.7977+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7606+130.2800/+30.7800+130.2602/+30.7800+130.2600/+30.7801+130.2400/+30.7806+130.2200/+30.7837+130.2000/+30.8000+130.1806/+30.8001+130.1800/+30.8007+130.1600/+30.8026+130.1400/+30.8086+130.1200/+30.8200+130.1044/+30.8205+130.1000/+30.8223+130.0800/+30.8258+130.0600/+30.8355+130.0400/+30.8400+130.0322/+30.8412+130.0200/+30.8431+130.0000/+30.8451+129.9800/+30.8480+129.9600/+30.8533+129.9400/+30.8600+129.9269/+30.8631+129.9200/+30.8682+129.9000/+30.8736+129.8800/+30.8800+129.8688/+30.8826+129.8600/+30.8889+129.8400/+30.8940+129.8200/+30.9000+129.8031/+30.9024+129.8000/+30.9139+129.7800/+30.9200+129.7665/+30.9230+129.7600/+30.9318+129.7400/+30.9400+129.7241/+30.9464+129.7200/+30.9600+129.7097/+30.9800+129.7120/+30.9856+129.7200/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8131+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7869+130.2800/+30.8000+130.2638/+30.8131+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T15:00:00+09:00 2026-09-01T18:00:00+09:00 降灰 70 +30.9694+129.6600/+30.9748+129.6800/+30.9778+129.7000/+30.9775+129.7200/+30.9773+129.7400/+30.9766+129.7600/+30.9754+129.7800/+30.9743+129.8000/+30.9641+129.8200/+30.9600+129.8253/+30.9559+129.8400/+30.9526+129.8600/+30.9501+129.8800/+30.9478+129.9000/+30.9452+129.9200/+30.9400+129.9277/+30.9335+129.9400/+30.9295+129.9600/+30.9254+129.9800/+30.9200+129.9994/+30.9199+130.0000/+30.9047+130.0200/+30.9000+130.0228/+30.8980+130.0400/+30.8949+130.0600/+30.8885+130.0800/+30.8800+130.0903/+30.8790+130.1000/+30.8777+130.1200/+30.8738+130.1400/+30.8600+130.1564/+30.8597+130.1600/+30.8593+130.1800/+30.8585+130.2000/+30.8507+130.2200/+30.8400+130.2308/+30.8399+130.2400/+30.8398+130.2600/+30.8392+130.2800/+30.8200+130.2993/+30.8199+130.3000/+30.8005+130.3200/+30.8000+130.3205/+30.7992+130.3200/+30.7800+130.3198/+30.7603+130.3000/+30.7604+130.2800/+30.7751+130.2600/+30.7800+130.2551/+30.7801+130.2400/+30.7803+130.2200/+30.7811+130.2000/+30.7846+130.1800/+30.7968+130.1600/+30.8000+130.1561/+30.8007+130.1400/+30.8018+130.1200/+30.8042+130.1000/+30.8072+130.0800/+30.8180+130.0600/+30.8200+130.0557/+30.8211+130.0400/+30.8231+130.0200/+30.8270+130.0000/+30.8255+129.9800/+30.8341+129.9600/+30.8400+129.9503/+30.8419+129.9400/+30.8458+129.9200/+30.8495+129.9000/+30.8517+129.8800/+30.8573+129.8600/+30.8600+129.8530/+30.8672+129.8400/+30.8773+129.8200/+30.8800+129.8163/+30.8868+129.8000/+30.8855+129.7800/+30.8958+129.7600/+30.9000+129.7529/+30.9087+129.7400/+30.9186+129.7200/+30.9200+129.7170/+30.9276+129.7000/+30.9339+129.6800/+30.9400+129.6619/+30.9426+129.6600/+30.9600+129.6459/+30.9694+129.6600/ 西 60 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8125+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7875+130.2800/+30.8000+130.2642/+30.8125+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T18:00:00+09:00 2026-09-01T21:00:00+09:00 降灰 70 +31.0096+129.6200/+31.0148+129.6400/+31.0172+129.6600/+31.0183+129.6800/+31.0191+129.7000/+31.0155+129.7200/+31.0115+129.7400/+31.0046+129.7600/+31.0000+129.7677/+30.9944+129.7800/+30.9897+129.8000/+30.9872+129.8200/+30.9848+129.8400/+30.9800+129.8598/+30.9800+129.8600/+30.9718+129.8800/+30.9600+129.8982/+30.9596+129.9000/+30.9560+129.9200/+30.9514+129.9400/+30.9453+129.9600/+30.9400+129.9694/+30.9374+129.9800/+30.9345+130.0000/+30.9311+130.0200/+30.9200+130.0308/+30.9093+130.0400/+30.9000+130.0517/+30.8992+130.0600/+30.8977+130.0800/+30.8920+130.1000/+30.8800+130.1145/+30.8796+130.1200/+30.8786+130.1400/+30.8753+130.1600/+30.8600+130.1766/+30.8598+130.1800/+30.8595+130.2000/+30.8580+130.2200/+30.8400+130.2385/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2999/+30.8200+130.3000/+30.8000+130.3200/+30.7800+130.3197/+30.7604+130.3000/+30.7609+130.2800/+30.7800+130.2609/+30.7801+130.2600/+30.7801+130.2400/+30.7808+130.2200/+30.7980+130.2000/+30.8000+130.1980/+30.8004+130.1800/+30.8012+130.1600/+30.8067+130.1400/+30.8200+130.1252/+30.8205+130.1200/+30.8215+130.1000/+30.8247+130.0800/+30.8400+130.0605/+30.8401+130.0600/+30.8416+130.0400/+30.8455+130.0200/+30.8444+130.0000/+30.8480+129.9800/+30.8550+129.9600/+30.8600+129.9514/+30.8640+129.9400/+30.8701+129.9200/+30.8749+129.9000/+30.8800+129.8917/+30.8842+129.8800/+30.8878+129.8600/+30.8935+129.8400/+30.8994+129.8200/+30.9000+129.8186/+30.9113+129.8000/+30.9182+129.7800/+30.9200+129.7737/+30.9244+129.7600/+30.9316+129.7400/+30.9400+129.7230/+30.9433+129.7200/+30.9600+129.7027/+30.9627+129.7000/+30.9737+129.6800/+30.9800+129.6653/+30.9820+129.6600/+30.9883+129.6400/+30.9943+129.6200/+31.0000+129.6020/+31.0096+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8139+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7861+130.2800/+30.8000+130.2625/+30.8139+130.2800/ 北西 3 鹿児島県三島村 4630300 2026-09-01T21:00:00+09:00 2026-09-02T00:00:00+09:00 降灰 70 +31.0003+129.6200/+31.0016+129.6400/+31.0015+129.6600/+31.0001+129.6800/+31.0000+129.6818/+30.9970+129.7000/+30.9886+129.7200/+30.9861+129.7400/+30.9844+129.7600/+30.9829+129.7800/+30.9817+129.8000/+30.9800+129.8155/+30.9794+129.8200/+30.9723+129.8400/+30.9647+129.8600/+30.9600+129.8689/+30.9577+129.8800/+30.9539+129.9000/+30.9505+129.9200/+30.9422+129.9400/+30.9400+129.9462/+30.9374+129.9600/+30.9333+129.9800/+30.9293+130.0000/+30.9238+130.0200/+30.9200+130.0237/+30.9052+130.0400/+30.9000+130.0471/+30.8983+130.0600/+30.8955+130.0800/+30.8870+130.1000/+30.8800+130.1082/+30.8791+130.1200/+30.8779+130.1400/+30.8731+130.1600/+30.8600+130.1742/+30.8597+130.1800/+30.8593+130.2000/+30.8571+130.2200/+30.8400+130.2376/+30.8399+130.2400/+30.8399+130.2600/+30.8396+130.2800/+30.8200+130.2998/+30.8200+130.3000/+30.8000+130.3199/+30.7800+130.3196/+30.7605+130.3000/+30.7609+130.2800/+30.7800+130.2608/+30.7800+130.2600/+30.7801+130.2400/+30.7805+130.2200/+30.7835+130.2000/+30.8000+130.1820/+30.8002+130.1800/+30.8006+130.1600/+30.8016+130.1400/+30.8055+130.1200/+30.8200+130.1002/+30.8200+130.1000/+30.8210+130.0800/+30.8225+130.0600/+30.8258+130.0400/+30.8334+130.0200/+30.8400+130.0102/+30.8415+130.0000/+30.8419+129.9800/+30.8439+129.9600/+30.8470+129.9400/+30.8523+129.9200/+30.8600+129.9001/+30.8600+129.9000/+30.8601+129.8800/+30.8664+129.8600/+30.8780+129.8400/+30.8800+129.8366/+30.8847+129.8200/+30.8906+129.8000/+30.8935+129.7800/+30.9000+129.7712/+30.9078+129.7600/+30.9173+129.7400/+30.9200+129.7334/+30.9258+129.7200/+30.9357+129.7000/+30.9400+129.6890/+30.9493+129.6800/+30.9600+129.6686/+30.9800+129.6665/+30.9896+129.6600/+30.9959+129.6400/+30.9996+129.6200/+31.0000+129.6165/+31.0003+129.6200/ 西 70 鹿児島県三島村 4630300 小さな噴石の落下 75 1 +30.8147+130.2800/+30.8188+130.3000/+30.8000+130.3188/+30.7812+130.3000/+30.7853+130.2800/+30.8000+130.2614/+30.8147+130.2800/ 北西 3 鹿児島県三島村 4630300 　現在、薩摩硫黄島は噴火警戒レベル２（火口周辺規制）です。薩摩硫黄島で噴火が発生した場合には、１日０９時から１２時までは火口から北西方向、１日２１時から２４時までは火口から西方向に降灰が予想されます。 　１日６時から１日２４時までに噴火が発生した場合には、以下の方向・距離に降灰及び小さな噴石の落下が予想されます。 　 　時刻　　　　　　　　　　　　火口からの方向　降灰の距離　小さな噴石の距離 　０１日０６時から０９時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日０９時から１２時まで　北西　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１２時から１５時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１５時から１８時まで　西　　　　　　　６０ｋｍ　　３ｋｍ　　　　　 　０１日１８時から２１時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　０１日２１時から２４時まで　西　　　　　　　７０ｋｍ　　３ｋｍ　　　　　 　 　期間中に噴火が発生した場合には、以下の市町村に降灰が予想されます。 　鹿児島県：三島村 　 　噴煙が火口縁上１０００ｍまで上がった場合の火山灰及び小さな噴石の落下範囲を示しています。 　噴火発生時、小さな噴石の落下が予想される範囲内では、屋内や頑丈な屋根の下などに移動してください。